We tried Resubmit(online) and that failed. They had a local backup of their latest SP file which I Resubmitting(offline), but still got the error. Can we try identifying why this was caused?
Here's the project - https://construction.bentley.com/6f394dc4-3766-4a27-9fa3-f2207b135f48/manage-imodel
See the attached screenshot.